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BacterioFiles Micro Edition 150 - Morels Make Mycelial Motorways

This episode: Bacteria use fungal filaments like highways to swim through soil!


(7.7 MB, 8.3 minutes)


Show notes: 
Journal Paper


Read More

How small genetic change in Yersinia pestis changed human history

CHICAGO -- While studying Yersinia pestis, the bacteria responsible for epidemics of plague such as the Black Death, Wyndham Lathem, Ph.D., assistant professor in microbiology-immunology at Northwestern University Feinberg School of Medicine, found a single small genetic change that fundamentall... Read More

TWiV 218: Monkeys turning valves and pushing buttons

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Hosts: Vincent Racaniello, Alan Dove, and Read More

When Parasites Catch Viruses

Researchers find a viral symbiont of a protozoan parasite increases virulence to the human host.

When humans have parasites, the organisms live in our bodies, co-opt our resources, and cause disease. However, it turns out that parasites themselves can have their own co-habitants.

Researc... Read More

BacterioFiles Micro Edition 148 - Engineered Escherichia Enzyme Enhances Environmentalism

This episode: Engineered bacteria could help capture CO2 and convert it into a solid form for storage!


(7.3 MB, 8 minutes)


E. coli engineered to produce the enzyme carbonic anhydrase, which converts carbon dioxide to bicarbonate and then to calcium carbonate,... Read More

BacterioFiles Micro Edition 149 - Psychrobacter Survives Siberian Schisms

This episode: Cold-loving bacteria can repair surprising amounts of DNA damage even sub-zero temperatures!


(9.1 MB, 9.9 minutes)


Bacteria isolated from the Siberian arctic permafrost are exposed to a lot of radiation over thousands of years, but somehow they are able to repair... Read More

Man-made Bacteria Fights Man-Made Chemical Mess

Researchers have developed a bacteria strain that is uniquely effective at degrading the toxic industrial chemicals known as PCBs, or polychlorinated biphenyls.

PCBs are toxic man-made organic chemicals that pose a threat to human health and to the environment.

The Environmental Protection... Read More

Meth Helps Fight The Flu, Study Suggests

And they said meth never did a body good.

A study conducted by researchers in Taiwan found that methamphetamine may possess flu-fighting properties, Medical Daily reported.

The study, published Tuesday in PLoS One, exposed human lung cells to varying quantities meth, then infected them wit... Read More

BacterioFiles 187 - Bacteria Bolster Bedbug Biotin

This episode: Some Wolbachia bacteria produce vitamin B7 for their insect hosts!


(7.1 MB, 7.75 minutes)


Show notes: 
Journal Paper


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The incredible tiny world of microbiology

The winners of Olympus' annual live sciences photography competition are in, with the top 10 submissions revealing an entire world of microscopic wonder.

It's the 10th year of Olympus' BioScapes international digital-imaging competition — where photographers from around the globe can send in ... Read More

TWiM #100: Omnis cellula e cellula

Hosts: Vincent RacanielloMichael Schmidt, ... Read More

How MALDI-ToF is Changing Clinical Microbiology - ICAAC 2013

Lasers are the new DNA. It is called matrix-assisted laser desorption/ionization–time of flight (MALDI-TOF) and it uses mass spectrometry to quickly test for hundreds of different pathogens in a small sample using a single automated device. MALDI-TOF is increasingly being used in clinical micr... Read More

Study Finds Most Pork Contaminated With Yersinia Bacteria

A sample of raw pork products from supermarkets around the United States found that yersinia enterocolitica, a lesser-known food-borne pathogen, was present in 69 percent of the products tested, according to a study released today by Consumer Reports.

The bacteria infects more than 100,000 ... Read More

TWiV 249: An inordinate fondness for viruses

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Hosts: Vincent Racaniello, Dickson Despommier,  Read More

Researchers identify cause of heart damage in sepsis patients

Researchers at the University of Liverpool's Institute of Infection and Global Health (IGH) have discovered a common cause of heart damage in patients with sepsis.

Sepsis is the most common cause of death in hospitalised critically ill people and affects up to 18 million people world-wide ann... Read More

Frog-In-Bucket-Of-Milk Folklore Leads to Potential New Antibiotics

Following up on an ancient Russian way of keeping milk from going sour -- by putting a frog in the bucket of milk -- scientists have identified a wealth of new antibiotic substances in the skin of the Russian Brown frog. The study appears in ACS' Journal of Proteome Research.

A. T. Lebedev an... Read More

TWiV 264: We should do an all email show some day

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Hosts: Vincent Racaniello, Alan Dove Read More

Antimicrobial resistance in fish pathogenic bacteria and other bacteria in aquatic environments

Little attention has been paid to the use of antibiotics in the aquaculture industry as one reason for the increase in bacteria resistant to antibiotics and the spread of such resistance to other bacteria.

Since the antibiotics that are used in veterinary medicine and aquaculture belong to t... Read More

How bacteria can survive in acidic, metal rich environments

Acid-loving bacteria thrive in sour, acidic places and can help to dissolve metal. Therefore they are often used for industrial metal extraction. In her doctoral thesis "Growth and Survival of Acidithiobacilli in Acidic, Metal Rich Environments" Stefanie Mangold, Umeå University, has explored ba... Read More

BacterioFiles 221 - Co-culture Close Contact, Cats, and Cockerels

This episode: More distantly related bacteria can help each other grow (and produce lots of hydrogen) by temporarily fusing with each other!


(12.7 MB, 13.9 minutes)


Show notes: 
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